The R10 Overspeed Governor from PFB is a drop-jaw type governor with a 315mm pulley. This downward operating governor is available in clockwise and anti-clockwise versions, and is suitable for use with 8mm – 10mm rope (please advise rope diameter when ordering).
The R10 governor can accomodate tripping speeds from 0.50m/s – 2.70m/s.